Formula: | C₆H₈O₂ |
CAS Number: | 110-44-1 |
EC Number (EINECS): | 205-768-7 |
HS Code: | 29162300 |
UN Number: | 3077 (Environmentally Hazardous Substance, solid, n.o.s.) |
IUPAC Name: | (2E,4E)-Hexa-2,4-dienoic Acid |
Also Known As: | 2,4-Hexadienoic Acid |
Molecular Weight, g/mol: | 112.13 |
Appearance: | White crystalline powder |
Odor: | Slight fatty / weak acid |
Melting Point, °C: | 135–138 |
Boiling Point, °C: | 228–230 |
Density, g/cm³ (at 20°C): | 1.36 |
Flash Point, °C: | 140 (closed cup) |
Solubility: | Slightly soluble in water, soluble in ethanol and acetone |
pH (1% solution): | ~3.0–4.0 |
Purity, %: | ≥99.0 |
Grades Available: | Food Grade, Technical Grade |
Packaging: | 25kg bags, 500kg drums, bulk supply |
Primary Applications
Food preservative to inhibit mold, yeast, and fungi in baked goods, cheese, beverages
Raw material in manufacturing of sorbate salts (potassium sorbate, calcium sorbate)
Secondary Applications
Used in cosmetics and personal care products for preservation
Intermediate in chemical synthesis
End Industries Served: Food & Beverage, Cosmetics, Pharmaceuticals, Chemical Manufacturing
Hazard Class (GHS): Not classified as hazardous; may cause mild irritation
Hazard Statements (H-Codes):
H319: Causes serious eye irritation (dust)
Precautionary Statements (P-Codes):
P280: Wear protective gloves/eye protection
P261: Avoid breathing dust
P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
Store in cool, dry, ventilated area
Protect from moisture and contamination
Keep packaging tightly closed
Transport Information
ADR/RID: UN3077, Class 9, PG III
IMDG: UN3077, Class 9, PG III
IATA: UN3077, Class 9, PG III